@selectors-size1: 18, 16, 13, 14, 15;
each(range(5), {
.grey-regular@{value} {
  font-family: PingFangSC-Regular;
  color: #474C63;
  font-size: extract(@selectors-size1, @value) * 1px;
}
});

@selectors-size2: 18, 16, 14, 13, 10;
each(range(5), {
.grey-medium@{value} {
  font-family: PingFangSC-Medium;
  color: #474C63;
  font-size: extract(@selectors-size2, @value) * 1px;
}
});


@selectors-size3: 14;
each(range(1), {
.grey-regulars@{value} {
  font-family: PingFangSC-Regular;
  color:#8489A1;
  font-size: extract(@selectors-size3, @value) * 1px;
}
});